Minor clean-up in README.md

Author: martin-georgiev

README.md

@@ -1,6 +1,7 @@
 [![Build Status](https://api.travis-ci.org/raml-org/raml-php-parser.svg?branch=master)](https://www.travis-ci.org/raml-org/raml-php-parser)
 [![Coverage Status](https://coveralls.io/repos/github/raml-org/raml-php-parser/badge.svg?branch=master)](https://coveralls.io/github/raml-org/raml-php-parser?branch=master)
-[![Latest Stable Version](https://poser.pugx.org/raml-org/raml-php-parser/version)](https://packagist.org/packages/raml-org/raml-php-parser)
+[![Latest Stable Version](https://poser.pugx.org/raml-org/raml-php-parser/v/stable)](https://packagist.org/packages/raml-org/raml-php-parser)
+[![Latest Unstable Version](https://poser.pugx.org/raml-org/raml-php-parser/v/unstable)](https://packagist.org/packages/raml-org/raml-php-parser)
 [![Total Downloads](https://poser.pugx.org/raml-org/raml-php-parser/downloads)](https://packagist.org/packages/raml-org/raml-php-parser)
 
 See the [RAML specification](https://github.com/raml-org/raml-spec).
@@ -60,7 +61,7 @@ returned using:
 
 
 ```php
-$parser = new Raml\Parser();
+$parser = new \Raml\Parser();
 $api = $parser->parse('tests/fixture/simple.raml');
 
 $routes = $api->getResourcesAsUri();
@@ -75,7 +76,7 @@ To return:
     DELETE /songs/{songId} => ...
 ]
 
-$routes = $api->getResourcesAsUri(new Raml\RouteFormatter\NoRouteFormatter());
+$routes = $api->getResourcesAsUri(new \Raml\RouteFormatter\NoRouteFormatter());
 ```
 
 #### Route Formatters